/*
 * This file is part of the eccOS Library.
 * Copyright (C) 2007.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */
package org.openeccos.widgets;

import java.text.ParseException;
import java.util.ArrayList;
import java.util.Calendar;

import org.openeccos.util.PDFormat;

import nextapp.echo2.app.Border;
import nextapp.echo2.app.Color;
import nextapp.echo2.app.Extent;
import nextapp.echo2.app.event.ActionEvent;
import nextapp.echo2.app.event.ActionListener;
import echopointng.DateField;
import echopointng.TextFieldEx;
import echopointng.model.CalendarEvent;
import echopointng.model.CalendarSelectionListener;

public class PDDateField extends DateField {

	private ArrayList<ActionListener> listeners = new ArrayList<ActionListener>();

	public PDDateField() {
		init2();
	}

	private void init2() {
		setDateFormat(PDFormat.getDefaultDateOnlyFormat());
		setPopUpAlwaysOnTop(true);
		setBorder(new Border(1, Color.LIGHTGRAY, Border.STYLE_SOLID));

		TextFieldEx txtDateEx = new PDTextField();
		txtDateEx.setStyle(DateField.DEFAULT_TEXT_FIELD_STYLE);
		txtDateEx.setMaximumLength(15);
		txtDateEx.setActionCausedOnChange(true);
		txtDateEx.setWidth(new Extent(100));
		txtDateEx.setBorder(new Border(0, null, Border.STYLE_NONE));
		txtDateEx.setDisabledBorder(new Border(0, null, Border.STYLE_NONE));
		txtDateEx.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent evt) {
				fireActionPerformed();
			}
		});
		setTextField(txtDateEx);

		getModel().addListener(new CalendarSelectionListener() {
			public void displayedDateChange(CalendarEvent calEvent) {
				// Empty
			}

			public void selectedDateChange(CalendarEvent calEvent) {
				fireActionPerformed();
			}
		});
	}

	@Override
	public Calendar getSelectedDate() {
		Calendar cal = super.getSelectedDate();

		try {
			getDateFormat().parse(getTextField().getText());
		} catch (ParseException e) {
			if (cal != null) {
				getTextField().setText(getDateFormat().format(cal.getTime()));
			} else {
				getTextField().setText(null);
			}
		}
		return cal;
	}

	public void addActionListener(ActionListener listener) {
		listeners.add(listener);
	}

	private void fireActionPerformed() {
		ActionEvent event = new ActionEvent(this, "");
		for (ActionListener l : listeners) {
			l.actionPerformed(event);
		}
	}
}
